You Are Assisting a User Over the Phone and Have

Multiple Choice

You are assisting a user over the phone and have tried several things to help fix the user's problem. Unfortunately, you have been unable to solve the issue. The user is getting frustrated and you don't have many more ideas. What should you do next?

A) Escalate the user to a higher level of support.
B) Transfer the user to a colleague you think can assist them.
C) Tell the user to call you back after you have had more time to research the issue.
D) Tell the user you will be unable to help them, and document their issue.